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POJPA EclipseLink @ElementCollection not updating properly
 

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  1. POJPA EclipseLink @ElementCollection not updating properly
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    <p>Using EclipseLink 2.3.2 with static weaving (Maven plugin) against OracleXE.</p> <p>I have the following Entity</p> <pre><code>@Entity @Table(name="LIST") public class List { ...Id... @ElementCollection(fetch = FetchType.EAGER) @CollectionTable(name = "LIST_CONTENTS", joinColumns = @JoinColumn(name = "LIST_ID")) @OrderColumn(name = "SEQ") @Column(name = "CONTENT", length = 4000) private java.util.List&lt;String&gt; contents; } </code></pre> <p>and when I update the contents by doing the following:</p> <pre><code>// newContents is a String[] em.getTransaction().begin(); List list = em.find(List.class,id); list.setContents(new ArrayList&lt;String&gt;(Arrays.asList(newContents))); em.getTransaction().commit(); </code></pre> <p>I get a duplicate key error - like it didn't delete the old data</p> <pre><code>&gt; Error Code: 1 Call: INSERT INTO NIBR_LIST_CONTENTS (LIST_ID, CONTENT, &gt; SEQ) VALUES (?, ?, ?) &gt; bind =&gt; [3 parameters bound] Query: DataModifyQuery(sql="INSERT INTO NIBR_LIST_CONTENTS (LIST_ID, CONTENT, &gt; SEQ) VALUES (?, ?, ?)") &gt; at org.eclipse.persistence.internal.jpa.transaction.EntityTransactionImpl.commitInternal(EntityTransactionImpl.java:102) &gt; at org.eclipse.persistence.internal.jpa.transaction.EntityTransactionImpl.commit(EntityTransactionImpl.java:63) &gt; at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:512) &gt; ... 54 more Caused by: Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.3.2.v20111125-r10461): &gt; org.eclipse.persistence.exceptions.DatabaseException Internal &gt; Exception: java.sql.SQLIntegrityConstraintViolationException: &gt; ORA-00001: unique constraint (ANNEX.NIBR_LIST_CONTENTS_PK) violated &gt; &gt; Error Code: 1 Call: INSERT INTO NIBR_LIST_CONTENTS (LIST_ID, CONTENT, &gt; SEQ) VALUES (?, ?, ?) &gt; bind =&gt; [3 parameters bound] Query: DataModifyQuery(sql="INSERT INTO NIBR_LIST_CONTENTS (LIST_ID, CONTENT, &gt; SEQ) VALUES (?, ?, ?)") &gt; at org.eclipse.persistence.exceptions.DatabaseException.sqlException(DatabaseException.java:324) &gt; at org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.executeDirectNoSelect(DatabaseAccessor.java:840) &gt; at org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.executeNoSelect(DatabaseAccessor.java:906) &gt; at org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.basicExecuteCall(DatabaseAccessor.java:592) &gt; at org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.executeCall(DatabaseAccessor.java:535) &gt; at org.eclipse.persistence.internal.sessions.AbstractSession.basicExecuteCall(AbstractSession.java:1717) &gt; at org.eclipse.persistence.sessions.server.ClientSession.executeCall(ClientSession.java:253) &gt; at org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.executeCall(DatasourceCallQueryMechanism.java:207) &gt; at org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.executeCall(DatasourceCallQueryMechanism.java:193) &gt; at org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.executeNoSelectCall(DatasourceCallQueryMechanism.java:236) &gt; at org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.executeNoSelect(DatasourceCallQueryMechanism.java:216) &gt; at org.eclipse.persistence.internal.queries.StatementQueryMechanism.executeNoSelect(StatementQueryMechanism.java:115) &gt; at org.eclipse.persistence.queries.DataModifyQuery.executeDatabaseQuery(DataModifyQuery.java:85) &gt; at org.eclipse.persistence.queries.DatabaseQuery.execute(DatabaseQuery.java:844) &gt; at org.eclipse.persistence.queries.DatabaseQuery.executeInUnitOfWork(DatabaseQuery.java:743) &gt; at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.internalExecuteQuery(UnitOfWorkImpl.java:2871) &gt; at org.eclipse.persistence.internal.sessions.AbstractSession.executeQuery(AbstractSession.java:1516) &gt; at org.eclipse.persistence.internal.sessions.AbstractSession.executeQuery(AbstractSession.java:1498) &gt; at org.eclipse.persistence.mappings.DirectCollectionMapping.performDataModificationEvent(DirectCollectionMapping.java:2080) &gt; at org.eclipse.persistence.internal.sessions.CommitManager.commitAllObjectsWithChangeSet(CommitManager.java:157) &gt; at org.eclipse.persistence.internal.sessions.AbstractSession.writeAllObjectsWithChangeSet(AbstractSession.java:3799) &gt; at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.commitToDatabase(UnitOfWorkImpl.java:1415) &gt; at org.eclipse.persistence.internal.sessions.RepeatableWriteUnitOfWork.commitToDatabase(RepeatableWriteUnitOfWork.java:636) &gt; at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.commitToDatabaseWithChangeSet(UnitOfWorkImpl.java:1505) &gt; at org.eclipse.persistence.internal.sessions.RepeatableWriteUnitOfWork.commitRootUnitOfWork(RepeatableWriteUnitOfWork.java:267) &gt; at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.commitAndResume(UnitOfWorkImpl.java:1143) &gt; at org.eclipse.persistence.internal.jpa.transaction.EntityTransactionImpl.commitInternal(EntityTransactionImpl.java:84) &gt; ... 56 more Caused by: java.sql.SQLIntegrityConstraintViolationException: ORA-00001: unique &gt; constraint (ANNEX.NIBR_LIST_CONTENTS_PK) violated &gt; &gt; at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:440) &gt; at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:396) &gt; at oracle.jdbc.driver.T4C8Oall.processError(T4C8Oall.java:837) &gt; at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:445) &gt; at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:191) &gt; at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:523) &gt; at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:207) &gt; at oracle.jdbc.driver.T4CPreparedStatement.executeForRows(T4CPreparedStatement.java:1010) &gt; at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1315) &gt; at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3576) &gt; at oracle.jdbc.driver.OraclePreparedStatement.executeUpdate(OraclePreparedStatement.java:3657) &gt; at oracle.jdbc.driver.OraclePreparedStatementWrapper.executeUpdate(OraclePreparedStatementWrapper.java:1350) &gt; at org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.executeDirectNoSelect(DatabaseAccessor.java:831) &gt; ... 81 more </code></pre> <p>I've no idea what's wrong in the setup - I am using flyway to execute the SQL/DDL that I've written by hand. Any help is appreciated.</p>
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    1. This table or related slice is empty.
    1. USBrian Repko
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    1. This table or related slice is empty.
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    1. PO
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    1. This table or related slice is empty.
    1. COWhat did you use for the primary key in the collection table? The constraint is saying the pk constraint is violated, so check that you have it set appropriately - ie that you are not just using LIST_ID as the pk, since two elements on the same list will use hte same LIST_ID. Either do not set a pk for the table, or use something unique like SEQ and LIST_ID. If that is not the case, try turning on parameter logging to see what is being used, by setting the "eclipselink.logging.parameters" property to true.
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      1. USChris
    2. COYep - the pk is (list_id, seq) - thanks for the tip on logging. When I debug it I can see the DirectCollectionMapping has 7 changes - 4 inserts and then 3 deletes (test case replaces 3 values with 4) - it then goes through the list of changes in order - doing the insert first.
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      1. POJPA EclipseLink @ElementCollection not updating properly
      1. USBrian Repko
    3. COTried my test with H2 and let EclipseLink generate the schema. Looked at the resulting schema and EclipseLink creates the table without a primary key so that it can insert and then delete but the deletes matches on list_id and contents. Which is hella wrong if I update the list with a shared value.
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      1. POJPA EclipseLink @ElementCollection not updating properly
      1. USBrian Repko
 

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